package org.smi.youchu;

public class TestString {

    public static void main(String[] args) {
        StringBuilder str = new StringBuilder(",A");
        if (str.length() > 0) {
            String asdf = String.valueOf(str.deleteCharAt(0));
            System.out.println("asdf:" + asdf);
        }
        System.out.println("asdasdfasdf");

    }
}
